CN102022799A - Energy-saving control method for central air conditioner system - Google Patents
Energy-saving control method for central air conditioner system Download PDFInfo
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- CN102022799A CN102022799A CN2009101926020A CN200910192602A CN102022799A CN 102022799 A CN102022799 A CN 102022799A CN 2009101926020 A CN2009101926020 A CN 2009101926020A CN 200910192602 A CN200910192602 A CN 200910192602A CN 102022799 A CN102022799 A CN 102022799A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000000498 cooling water Substances 0.000 claims abstract description 27
- 238000004458 analytical method Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000006870 function Effects 0.000 claims abstract description 3
- 238000005057 refrigeration Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 241001269238 Data Species 0.000 claims description 4
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- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Abstract
The invention discloses an energy-saving control method for a central air conditioner system, which has the functions of multi-sensor data acquisition, self checking of data, setting and display of control data, analysis processing and control of data logic, output of execution data, storage and output of operating data and remote system monitoring, thereby carrying out real-time remote intellectual automated energy-saving control on the central air conditioner system. In the method, multiple sensors are used for acquiring data, and control data is subject to analysis processing by comparing the self-checked data with the set control data, thereby realizing the automatic starts of a chilled water pump, a cooling water pump, a cooling tower blower and other auxiliary devices of the central air conditioner system; and then, the host of the central air conditioner system is started and operated in a set mode after a time delay, and controls and adjusts the working state of the complete machine based on the control data of water temperatures at chilled water/cooling water outlets and recycling inlets, wherein the control data are set by the host of the central air conditioner system. The control method has the advantages of reliable operation, low operating cost, high efficiency and energy saving.
Description
One, technical field
The present invention relates to be used for the energy-saving control method of air-conditioner system intelligent.
Two, background technology
Existing a large amount of air-conditioner system that uses all is a water-cooled, leaves bigger refrigeration surplus when designing usually, so need just can be reached and the dynamic in real time coupling of user's refrigeration load demand by artificial adjusting control when operation.The air-conditioner system equipment need be organized working power by artificial control more in the process that starts operation, at first auxiliary equipment such as chilled water pump, cooling water pump and cooling tower blower fan are started, and then the air-conditioner system host is started; After this system's operation, when the chilled water temperature of its output and the Temperature numerical that reclaims chilled water differ less, during promptly with user's cold loading demand balance, ordinary central air-conditioner device system can only make the local out of service of adjusting or multistage unit to main frame, to reach the cold of the chilled water that reduction exported, but auxiliary equipment such as chilled water pump in the air-conditioner system and cooling water pump all fail to do the adjustment of corresponding work state, so, the auxiliary equipment of this part is still in full power operation, causes the equipment of whole system to fail corresponding cutting down the consumption of energy.And these water-cooled ordinary central air-conditioner device systems can't real-time remote monitoring, usually will be adjusted by artificial on-site manual operation, make the operation of air-conditioner system the drawback of cost height, functional reliability difference occur.
Three, summary of the invention
The present invention be overcome most of water-cooled air-conditioner system host control section of existing use existing intelligent starting and the dynamic real-time of regulating in real time whole system and refrigeration load mate operation conditions entirely, can not preserve and the remote monitoring operation the real-time control data of central air-conditioner system, cause the defective that operating cost height, functional reliability difference occurs and waste energy, propose a kind of energy-saving control method that is used for the air-conditioner system intelligent of technique improvement.
A kind of energy-saving control method that is used for the air-conditioner system of the present invention, what mainly solve is all-round intelligent starting of air-conditioner system and adjustment running status, realize the technical problem of monitoring in real time, make the air-conditioner system comprise chilled water pump, auxiliary equipment such as cooling water pump and cooling tower blower fan are in interior startup, operation, close and carry out energy-conservation adjustment intellectuality, and can monitor operation conditions in real time, preserve the take statistics usefulness of analysis of corresponding whole system control service data simultaneously, the air-conditioner system can really be in operation realize the energy-conservation adjusting control of intelligence fully, to reach purpose of energy saving.For this reason, the technical scheme that it is taked is: it is at common water-cooled air-conditioner control system, directly to central air-conditioner system main frame and chilled water pump, auxiliary equipment such as cooling water pump and cooling tower blower fan are totally controlled, its control method is a target value with chilled water and the cooling water delivery outlet of setting the air-conditioner system host and the coolant-temperature gage that reclaims mouth, by predefined benchmark control data, the operation of control air-conditioner system host, the operating condition of auxiliary ligand complete equipment is followed loading demand, chilled water pump is regulated motor rotation speed reduction cold water flow by being equipped with variable-frequency power sources, or the stocking system by starting chilled water is to reach fast-refrigerating to alleviate the load of air-conditioner system host, these high-power main pump motors of cooling water pump and cooling tower blower fan are adjusted duty according to the operation conditions of air-conditioner system host operation, or start low power cooling water pump stand-by pump and carry out work, to reach full Based Intelligent Control of dynamic real-time and purpose of energy saving to central air-conditioner system.
Use the Energy Saving Control that the present invention carries out intellectuality, automation to central air-conditioner system complete machine, can reduce manual operation effectively, write down and preserve corresponding various control data in the process that complete machine starts, moves, cuts out in the air-conditioner system automatically.Therefore, it can make air-conditioner system complete machine reliable operation, low, the conserve energy of operating cost.
Four, description of drawings
Fig. 1 is the schematic diagram that proposes embodiment according to the present invention.
Five, the specific embodiment
Below in conjunction with drawings and Examples principle of the present invention and embodiment are further described:
In the drawings, operation principle of the present invention is such:
Existing water-cooled air-conditioner system when design usually the maximum temperature with summer be that reference value leaves bigger refrigeration surplus, therefore, the air-conditioner system is in 50% following running time of design (calculated) load, account for more than 1/3rd of whole annual work time, at this moment, the operation of auxiliary equipment such as the chilled water pump of whole air-conditioner system, cooling water pump, cooling tower blower fan is full power operation basically, thereby it is comparatively serious the situation of low load high energy consumption to occur.
For this reason, the present invention is when moving in the air-conditioner system, the coolant-temperature gage dynamic acquisition data of chilled water and cooling water delivery outlet and recovery inlet during to its host work, filtration by the self check data system, send in data logic analysis processing and the control, carry out data output, the duty of control and adjusting air-conditioner system host and auxiliary equipment:
When chilled water delivery outlet and the coolant-temperature gage that reclaims inlet poor＞during setting value, whole air-conditioner system host and auxiliary equipment are normally moved, and when this temperature gap and setting value differ big, can also be by starting the stocking system of chilled water, to reach fast-refrigerating, alleviate the load of air-conditioner system host;
When chilled water delivery outlet and the coolant-temperature gage that reclaims inlet poor=during setting value, the air-conditioner system host is local out of service with low load running or multistage unit, the speed of chilled water pump motor is carried out and is regulated control, change the constant flow operation of the cold water flow of air-conditioner system into moving flow operation, realize that air-conditioner system cold water flow is followed the cold loading demand and variation synchronously, simultaneously, the delivery outlet of cooling water is being set number range with the water temperature that reclaims inlet, be in the greatest measure of water temperature of the air-conditioner system cooling water that is in main frame small-power operation, can the cooling tower blower fan is out of service;
When chilled water delivery outlet and the coolant-temperature gage that reclaims inlet poor＜during setting value, the speed of chilled water pump motor is carried out adjusting control cold water flow and is followed the moving flow operation of cold loading demand, or the stocking system that starts chilled water moves, make delayed startup air-conditioner system host, the time also can satisfy the cold loading demand in operation, all the other system equipments for example chilled water pump, cooling water pump, cooling tower blower fan are out of service.
Definite value according to needed operational factor of air-conditioner system host and refrigeration parameter, through carrying out image data by multiple sensor at any time, send controller to and do data logic analysis processing to carry out in good time servo-actuated outputting operating data, adjust air-conditioner system host duty, guarantee that the air-conditioner system host is on the preferable operating point of optimization, thereby make the air-conditioner system host reach higher efficiency conversion efficiency, solved water-cooled ordinary central air-conditioner device system effectively under low load condition, the difficult problem that energy efficiency descends, thereby improve the energy utilization rate of air-conditioner system, to reach energy-conservation usefulness.
The present invention concentrates on whole air-conditioner system equipment control on the platform, utilize the freezing temperature of collection air-conditioner system and the real-time temperature difference data of load servo-actuated of coolant water temperature, comparison by the self check data, handle through the data logic analysis, the execution data of output variable, thereby regulate the chilled-water flow of change air-conditioner system load and the numerical value of cooling range, make the chilled water pump of air-conditioner system host and auxiliary equipment and the variation of operation between the cooling water pump and actual loading do to adapt to adjustment, just control and regulation make air-conditioner system host and chilled water pump according to data value, cooling water pump and cooling tower blower fan are done orderly operation and are stopped.By being concentrated, whole air-conditioner system carries out unified management, make the chilled water pump of air-conditioner system host and auxiliary equipment and the running status between cooling water pump and the cooling tower blower fan, with the freezing temperature of air-conditioner system and the intercommunication of temperature difference data message, the resource-sharing of coolant water temperature and cold load servo-actuated, realize the effective coordination operation and the performance optimization of air-conditioner system, reduced the energy waste of air-conditioner system to greatest extent.
Wherein, the effect of the mentioned self check data of the present invention is above:
(1) prevents that the control data setting is wrong and make whole air-conditioner system misoperation, setting when control data, or wherein fail whole image data before the unlatching of air-conditioner system, when differing big with predefined control data, the air-conditioner system can be automatically with predefined control data operation.
(2) when the influence that runs into air-conditioner components of system as directed device powers down or other external fault; when differing greatly by the control data of gathering; the air-conditioner system can enter the self-lock protection state automatically; after eliminating all faults Deng the air-conditioner system; every control data is normally just resumed work, to guarantee the safe operation of whole air-conditioner system.
Therefore, according to above-mentioned principle, specific implementation process of the present invention is such:
1, stores and export and this six functions of long distance control system by multiple sensor image data, self check data, control data setting and demonstration, data logic analysis processing and control, the output of execution data, service data, come central air-conditioner system is carried out the Energy Saving Control of real-time and remote intelligent.Check analysis by the data that multiple sensor collects by the self check data, relatively, the user is preestablished the chilled water and the cooling water delivery outlet of air-conditioner system host and reclaim the control data demonstration screening that the coolant-temperature gage that enters the mouth is a target value, do the data logic analysis then, handle all control datas and carry out control ratio with the self check data, determine the intrasystem cooling tower blower fan of air-conditioner thus, these auxiliary equipment of cooling water pump and chilled water pump start in advance, then, air-conditioner system cools water, the enabling signal of the water flow switch of chilled water pump is delivered to the sensor image data and is confirmed, from carry out data output system,, make the air-conditioner system host according to the pattern delayed startup operation of setting to make main frame carry out data output.
2, air-conditioner system complete machine is among the process of operation, the chilled water delivery outlet of air-conditioner system host changes with the coolant-temperature gage that reclaims inlet, when it reaches setting value, when promptly being consistent with the cold loading demand, handle and control through the data logic analysis, carry out data output, make the air-conditioner system host corresponding by automatic adjusting or install frequency converter additional and regulate refrigeration work consumption, by many air-conditioner system host operations the time, stop the work of part air-conditioner system host.At this moment, reduce chilled water pump motor rotation speed when chilled water system is passed through to be equipped with variable-frequency power sources, make chilled water pump make the flow of corresponding adjusting chilled water according to the variation of air-conditioner system data; Meanwhile, the air-conditioner system host is because of being in low load running, regulating to set makes cooling water delivery outlet and the coolant-temperature gage that reclaims inlet change numerical value, when air-conditioner system host small-power is moved within the greatest measure of the coolant-temperature gage of cooling water, can the cooling tower blower motor is out of service.Also can start the stand-by pump system, satisfy the low load running needs of air-conditioner system host.When the cold load variations, air-conditioner system complete machine loads again, starts operation.
3, at air-conditioner system complete machine among running, chilled water, cooling water delivery outlet are got up with the real-time data memory of the bearing power variation of data value that reclaims the coolant-temperature gage that enters the mouth and the work of air-conditioner system host, therefrom compare analysis, set control data so that adjust input, make the air-conditioner system reach preferable energy-saving effect.
4, when storing every real time data, it can also with the operation conditions of remote monitoring air-conditioner system complete machine, like this, can realize the unattended of air-conditioner system by the output of these real time datas.
Described above only is preferential embodiment of the present invention.Should be pointed out that to those skilled in the art under the prerequisite that does not break away from the principle of the invention, can also make some improvement and application, this also should be considered as belonging to protection scope of the present invention.For example, can utilize above-mentioned principle, central air-conditioner system is only done real-time monitoring, and unnecessaryly carry out remote monitoring, to save operating cost according to the practical application needs.
Claims (1)
1. energy-saving control method that is used for the air-conditioner system is characterized in that:
(1) stores and export and this six functions of long distance control system by multiple sensor image data, self check data, control data setting and demonstration, data logic analysis processing and control, the output of execution data, service data, come central air-conditioner system is carried out the Energy Saving Control of real-time and remote intelligent; Check analysis by the data that multiple sensor collects by the self check data, relatively, the user is preestablished the chilled water of air-conditioner system main frame, the cooling water delivery outlet is the control data demonstration screening of target value with the coolant-temperature gage that reclaims inlet, then, do the data logic analysis, handle all control datas and carry out control ratio with the self check data, determine the intrasystem cooling tower blower fan of air-conditioner thus, cooling water pump and stand-by pump thereof, these auxiliary equipment of chilled water pump and stand-by pump thereof start in advance, then, air-conditioner system cools water, the enabling signal of the water flow switch of chilled water pump is delivered to carry out in the data output system and is exported to make the air-conditioner system host carry out data, makes the air-conditioner system host according to the pattern delayed startup operation of setting;
(2) air-conditioner system complete machine is among running, the chilled water delivery outlet of air-conditioner system host changes with the coolant-temperature gage that reclaims inlet, when it reaches setting value, when promptly being consistent with the cold loading demand, handle and control through the data logic analysis, carry out data output, make the air-conditioner system host corresponding by automatic adjusting or install frequency converter additional and regulate refrigeration work consumption, by many air-conditioner system host operations the time, stop the work of part air-conditioner system host; At this moment, reduce chilled water pump motor rotation speed when chilled water system is passed through to be equipped with variable-frequency power sources, make chilled water pump make the flow of corresponding adjusting chilled water according to the variation of air-conditioner system data; Meanwhile, the air-conditioner system host is because of being in low load running, regulating to set makes cooling water delivery outlet and the coolant-temperature gage that reclaims inlet change numerical value, when air-conditioner system host small-power is moved within the greatest measure of the coolant-temperature gage of cooling water, can the cooling tower blower motor is out of service; Also can start the stand-by pump system, satisfy the low load running needs of air-conditioner system host; When the cold load variations, air-conditioner system complete machine loads again, starts operation;
(3) air-conditioner system complete machine is among running, chilled water, cooling water delivery outlet are got up with the real-time data memory of the bearing power variation of data value that reclaims the coolant-temperature gage that enters the mouth and the work of air-conditioner system host, therefrom compare analysis, set control data so that adjust input, make the air-conditioner system reach preferable energy-saving effect;
(4) when storing every real time data, it can also be by the output of these real time datas, with the operation conditions of remote monitoring air-conditioner system complete machine.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748279A (en) * | 2015-04-09 | 2015-07-01 | 科希曼电器有限公司 | Air energy central air conditioner capable of controlling circulation pump to achieve self-inspection function |
| CN104879880A (en) * | 2015-04-23 | 2015-09-02 | 江苏新科中央空调有限公司 | Healthy air conditioner detection system |
| CN106123254A (en) * | 2016-08-31 | 2016-11-16 | 中国建筑设计咨询有限公司 | A kind of heating ventilation air-conditioning system blower fan or the energy-saving control method of water pump |
| CN104374042B (en) * | 2014-07-28 | 2017-02-15 | 广东电网公司电力科学研究院 | Air conditioner load control method and system |
| CN106840242A (en) * | 2017-01-23 | 2017-06-13 | 驭势科技（北京）有限公司 | The sensor self-checking system and multi-sensor fusion system of a kind of intelligent driving automobile |
| CN109237988A (en) * | 2018-08-28 | 2019-01-18 | 南京从容信息科技有限公司 | The coolant water temperature of platform of internet of things technology is in real time from optimizing variable-flow method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004309032A (en) * | 2003-04-08 | 2004-11-04 | Hiroshi Ogawa | Central air conditioning and heating equipment and its operation control method |
| CN1629556A (en) * | 2003-12-19 | 2005-06-22 | 珠海福士得冷气工程有限公司 | Energy-saving central air conditioning system |
| CN1854626A (en) * | 2005-04-25 | 2006-11-01 | 李钢 | Long-distance monitoring optimized energy-saving controller and controlling method for central air-conditioner system |
| CN200968689Y (en) * | 2006-11-13 | 2007-10-31 | 长沙怡能电子科技有限公司 | Energy-saving control system of central air-conditioning |
| CN101165422A (en) * | 2007-09-28 | 2008-04-23 | 李钢 | Green central air conditioner system energy-saving fuzzy control device and control method |
-
2009
- 2009-09-19 CN CN200910192602.0A patent/CN102022799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004309032A (en) * | 2003-04-08 | 2004-11-04 | Hiroshi Ogawa | Central air conditioning and heating equipment and its operation control method |
| CN1629556A (en) * | 2003-12-19 | 2005-06-22 | 珠海福士得冷气工程有限公司 | Energy-saving central air conditioning system |
| CN1854626A (en) * | 2005-04-25 | 2006-11-01 | 李钢 | Long-distance monitoring optimized energy-saving controller and controlling method for central air-conditioner system |
| CN200968689Y (en) * | 2006-11-13 | 2007-10-31 | 长沙怡能电子科技有限公司 | Energy-saving control system of central air-conditioning |
| CN101165422A (en) * | 2007-09-28 | 2008-04-23 | 李钢 | Green central air conditioner system energy-saving fuzzy control device and control method |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374042B (en) * | 2014-07-28 | 2017-02-15 | 广东电网公司电力科学研究院 | Air conditioner load control method and system |
| CN104748279A (en) * | 2015-04-09 | 2015-07-01 | 科希曼电器有限公司 | Air energy central air conditioner capable of controlling circulation pump to achieve self-inspection function |
| CN104748279B (en) * | 2015-04-09 | 2017-05-03 | 科希曼电器有限公司 | Air energy central air conditioner capable of controlling circulation pump to achieve self-inspection function |
| CN104879880A (en) * | 2015-04-23 | 2015-09-02 | 江苏新科中央空调有限公司 | Healthy air conditioner detection system |
| CN106123254A (en) * | 2016-08-31 | 2016-11-16 | 中国建筑设计咨询有限公司 | A kind of heating ventilation air-conditioning system blower fan or the energy-saving control method of water pump |
| CN106123254B (en) * | 2016-08-31 | 2018-11-13 | 中国建筑设计咨询有限公司 | A kind of energy-saving control method of heating ventilation air-conditioning system wind turbine or water pump |
| CN106840242A (en) * | 2017-01-23 | 2017-06-13 | 驭势科技（北京）有限公司 | The sensor self-checking system and multi-sensor fusion system of a kind of intelligent driving automobile |
| CN109237988A (en) * | 2018-08-28 | 2019-01-18 | 南京从容信息科技有限公司 | The coolant water temperature of platform of internet of things technology is in real time from optimizing variable-flow method |
| CN115072034A (en) * | 2021-09-18 | 2022-09-20 | 苏州优斯登物联网科技有限公司 | Controlled mechanism action self-adaptive adjusting system and automatic material packaging equipment |
| CN115196076A (en) * | 2021-09-18 | 2022-10-18 | 苏州优斯登物联网科技有限公司 | Controlled mechanism action self-adaptive adjusting system and automatic material packaging equipment |
| CN115072034B (en) * | 2021-09-18 | 2024-01-05 | 苏州优斯登物联网科技有限公司 | Controlled mechanism action self-adaptive adjusting system and automatic material packaging equipment |
| CN115196076B (en) * | 2021-09-18 | 2024-01-05 | 苏州优斯登物联网科技有限公司 | Controlled mechanism action self-adaptive adjusting system and automatic material packaging equipment |
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| CN102022799B (en) | 2014-03-26 |
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Effective date of registration: 20140911 Address after: 528400 Guangdong city in Zhongshan Province, the ancient town Sikui Mei Street, Lane four No. 8 first floor Patentee after: Zhongshan Sheng Fu Air Conditioning Engineering Co., Ltd. Address before: 528421, No. ten, Lane 5, ancient four campus road, Guzhen Town, Guangdong, Zhongshan Patentee before: Yuan Hengjie |